Question Text
Question 5 :
Identify the formula of calcium hydrogen carbonate if formula of sodium carbonate is Na<sub>2</sub>CO<sub>3</sub>.
Question 9 :
Dalton used symbol of a circle with a dot in its structure to represent.
Question 10 :
In naming certain compounds, the suffix 'ate' is used if the number of oxygen atom is.
Question 13 :
...........is a short form that stands for the atom of a specific element
Question 14 :
...............suggested that initial letter of an element written in capitals should represent that particular element
Question 15 :
MOH is the formula of the hydroxide of a metal MThe formula of its sulphate is:
Question 16 :
Which of the following is the mass ratio of hydrogen to oxygen?
Question 18 :
Which of the following is correct option for a balanced chemical reaction?
Question 20 :
A molecule is the smalllest particle that has the capability to exist.....